DISCIPLINED GROWTH INVESTORS INC /MN

Long Only Manager • Growth

DISCIPLINED GROWTH INVESTORS INC /MN is a Long Only Manager specializing in Growth based in Dallas, TX led by Ricki Lee Martin, reporting $5.8B in AUM as of Q3 2025 with 69% Technology concentration, 52% concentrated in top 10 holdings, and 69% technology allocation.

CEORicki Lee Martin

Portfolio Value: $5.5B
Positions: 64
Top Holding: SMCI at 8.23%
Last Reported: Q3 2025

Address3500 Oak Lawn Ave, Ste 400, Dallas, TX, 75219, United States

Top Holdings

Largest long holdings in DISCIPLINED GROWTH INVESTORS INC /MN's portfolio (51.6% of total portfolio)

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Holding	Sector	Position	Weight	Traded	Ownership	Owned Since
1 Super Micro Computer, Inc. SMCI	Computer Hardware Technology	$454.5M	8.23%	-$12.0M Sold	1.60% 9.5M shares	≤ Q2 2013 Held for 12y 5m+
2 Pure Storage, Inc. PSTG	Computer Hardware Technology	$432.5M	7.84%	-$24.9M Sold	1.57% 5.2M shares	Q3 2019 Held for 6y 2m
3 Garmin GRMN	Hardware, Equipment & Parts Technology	$339.0M	6.14%	-$10.5M Sold	0.72% 1.4M shares	≤ Q2 2013 Held for 12y 5m+
4 Arista Networks ANET	Computer Hardware Technology	$280.2M	5.08%	-$15.8M Sold	0.15% 1.9M shares	Q1 2020 Held for 5y 8m
5 InterDigital IDCC	Software - Application Technology	$273.1M	4.95%	-$58.6M Sold	3.07% 790.9K shares	Q1 2021 Held for 4y 8m
6 Extendicare Inc. EXE	Unknown Unknown	$264.9M	4.80%	-$13.7M Sold	1.05% 2.5M shares	Q4 2024 Held for 11 months
7 Plexus PLXS	Hardware, Equipment & Parts Technology	$224.8M	4.07%	-$13.4M Sold	5.76% 1.6M shares	≤ Q2 2013 Held for 12y 5m+
8 Cognex CGNX	Hardware, Equipment & Parts Technology	$208.6M	3.78%	-$7.4M Sold	2.74% 4.6M shares	Q4 2015 Held for 9y 11m
9 Semtech SMTC	Semiconductors Technology	$195.0M	3.53%	-$11.8M Sold	3.15% 2.7M shares	Q2 2022 Held for 3y 5m
10 Alarm.com Holdings ALRM	Software - Application Technology	$176.9M	3.20%	-$8.5M Sold	6.68% 3.3M shares	Q1 2020 Held for 5y 8m

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Changes

Portfolio activity, position movements, and quarter-over-quarter changes in DISCIPLINED GROWTH INVESTORS INC /MN's latest filing

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Market Value

$5.5B

Prior: $5.2B

Q/Q Change

+5.55%

+$290.3M

Net Flows % of MV

-4.87%

Turnover Ratio

6.87%

New Purchases

5 stocks

$182.5M

Added To

5 stocks

+$62.3M

Sold Out Of

5 stocks

$86.3M

Reduced Holdings

54 stocks

-$427.5M

Increased Positions

Position	Shares Δ	Change
1 Zeta Global Holdings ZETA	New	0 → 6.1M +$121.5M
2 YETI Holdings, Inc. YETI	New	0 → 772.8K +$25.6M
3 Gartner IT	New	0 → 86.7K +$22.8M
4 Weave Communications WEAV	New	0 → 1.3M +$8.5M
5 Globant GLOB	New	0 → 71.4K +$4.1M

Decreased Positions

Position	Shares Δ	Change
1 Landstar System LSTR	Sold	309.8K → 0 −$43.1M
2 Under Armour UAA	Sold	5.3M → 0 −$36.0M
3 Myriad Genetics MYGN	Sold	754.0K → 0 −$4.0M
4 Surmodics, Inc. SRDX	Sold	100.6K → 0 −$3.0M
5 Bank of America BAC	Sold	5.0K → 0 −$236.6K